BRUYN, J. de. J. Offermans, De abdij Kloosterrade - Rolduc (1104-1830). BMGN - Low Countries Historical Review, [S. l.], v. 120, n. 2, p. 273–274, 2005. DOI: 10.18352/bmgn-lchr.6209. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-107107. Acesso em: 1 mar. 2024.